Top "Fftw" questions

FFTW, "The Fastest Fourier Transform in The West", is a C library which implements discrete Fourier Transforms.

Calculating convolution of two functions using FFT (FFTW)

I'm trying to speed up a computation for a neural simulator using the FFT. The equation is: (1) \sum(j=1 to …

c++ math fft fftw biological-neural-network
fftw in Visual Studio?

I'm trying to link my project with fftw and so far, I've gotten it to compile, but not link. As …

c++ visual-studio linker-errors fftw
Problem casting STL complex<double> to fftw_complex

The FFTW manual says that its fftw_complex type is bit compatible to std::complex<double> class in …

c++ fftw complex-numbers reinterpret-cast
How to extract frequency information from samples from PortAudio using FFTW in C

I want to make a program that would record audio data using PortAudio (I have this part done) and then …

c audio fft fftw portaudio
How to extract semi-precise frequencies from a WAV file using Fourier Transforms

Let us say that I have a WAV file. In this file, is a series of sine tones at precise 1 …

c audio wav signal-processing fftw
How to include compiler flags in Visual Studio Code?

I have a program that I am trying to run in the Visual Studio Code debugger that uses fftw functions. …

c++ visual-studio-code fftw
fatal error C1047 in release build only

My project uses Visual Studio 2012, and I am using the libfftw-3.3.lib as coming from their page. When I build …

c++ visual-studio-2012 linker fftw
How do I get a .so file from a .la file?

FFTW 2.x builds a .la file (under fftw/.libs directory). I think I need a .so file to link to. (…

gcc fftw
running FFTW on GPU vs using CUFFT

I have a basic C++ FFTW implementation that looks like this: for (int i = 0; i < N; i++){ // declare pointers …

cuda fftw cufft
Calculating the Power spectral density

I am trying to get the PSD of a real data set by making use of fftw3 library To test …

c signal-processing fftw